Pith Number

pith:LQ3NA3NT

pith:2021:LQ3NA3NTVOF52MMIDUX4EYD5TO

not attested not anchored not stored refs pending

VDPC: Variational Density Peak Clustering Algorithm

Chai Quek, Di Wang, Xiaofeng Zhang, Yizhang Wang, You Zhou

arxiv:2201.00641 v1 · 2021-12-29 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQ3NA3NTVOF52MMIDUX4EYD5TO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:45:04.977618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c36d06db3ab8bdd31881d2fc2607d9bacaced78a1e5582f78de876fcfa0d9a6

Aliases

arxiv: 2201.00641 · arxiv_version: 2201.00641v1 · doi: 10.48550/arxiv.2201.00641 · pith_short_12: LQ3NA3NTVOF5 · pith_short_16: LQ3NA3NTVOF52MMI · pith_short_8: LQ3NA3NT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LQ3NA3NTVOF52MMIDUX4EYD5TO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5c36d06db3ab8bdd31881d2fc2607d9bacaced78a1e5582f78de876fcfa0d9a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c378835caba648fb8d8e9c975373c565a69ac0145ad64e8032dcb03a8e0458c2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-29T12:50:09Z",
    "title_canon_sha256": "accc67d1b38226ecb094663ee6c78db7beb815a8e6486d2c4bd80dde667d1460"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00641",
    "kind": "arxiv",
    "version": 1
  }
}